feat: hosting link in navbar+footer, book-now with payment modal & direct activation

fix: remove duplicate hosting link in ClientSidebar

fix: Modal component accepts both 'open' and 'isOpen' props

feat: HTML/CSS ZIP preview upload for templates (extract + iframe)

feat: server plans system + fix template versions/assets pages

fix: rename SkeletonCard to CardSkeleton for build

feat: SaaS architecture - template versions, deployment engine, servers, subscriptions

refactor: part 1 technical improvements - logging, response standards, caching, soft delete

feat: add accounting system with expenses, revenue summary, and monthly history

fix: redirect admin logout to /x9k2-manage instead of landing

remove SupportWidget (floating chat bot) from client layout

feat: admin-controllable logo via site settings + useSiteSettings hook

feat: persistent uploads dir, rebrand DesignFlow->Templyn, prefill admin login

Fix sameSite cookie, show user names, home link in sidebar

Bot auto-reply + AI infra + SupportWidget

Initial commit